   <ul id="submenu" class="page_about">
    <li<?PHP doSubActive('about'); ?>><a href="<?PHP echo PREFIX; ?>index"><?PHP echo t('menu_about'); ?></a></li>
    <li<?PHP doSubActive('screenshots'); ?>><a href="<?PHP echo PREFIX; ?>screenshots"><?PHP echo t('menu_screenshots'); ?></a></li>
   </ul>
